/**
	datagrid增加ToolTip
	*/
	$.extend($.fn.datagrid.methods, {
	    /**
	    * 开打提示功能
	    * @param {} jq
	    * @param {} params 提示消息框的样式
	    * @return {}
	    */
	    doCellTip: function (jq, params) {
	        function showTip(data, td, e) {
	            if ($(td).text() == "")
	                return;
	            data.tooltip.text($(td).text()).css({
	                top: (e.pageY + 10) + 'px',
	                left: (e.pageX + 20) + 'px',
	                'z-index': $.fn.window.defaults.zIndex,
	                display: 'block'
	            });
	        };
	        return jq.each(function () {
	            var grid = $(this);
	            var options = $(this).data('datagrid');
	            if (!options.tooltip) {
	                var panel = grid.datagrid('getPanel').panel('panel');
	                var defaultCls = {
	                    'border': '1px solid #333',
	                    'padding': '2px',
	                    'color': '#fff',
	                    'background': '#23527c',
	                    'position': 'absolute',
	                    'max-width': '250px',
	                    'border-radius': '4px',
	                    '-moz-border-radius': '4px',
	                    '-webkit-border-radius': '4px',
	                    'display': 'none'
	                };
	                var tooltip = $("<div id='celltip' style='font-size:9px;'></div>").appendTo('body');
	                tooltip.css($.extend({}, defaultCls, params.cls));
	                options.tooltip = tooltip;
	                panel.find('.datagrid-body').each(function () {
	                    var delegateEle = $(this).find('> div.datagrid-body-inner').length ? $(this).find('> div.datagrid-body-inner')[0] : this;
	                    $(delegateEle).undelegate('td', 'mouseover').undelegate('td', 'mouseout').undelegate('td', 'mousemove').delegate('td', {
	                        'mouseover': function (e) {
	                            if (params.delay) {
	                                if (options.tipDelayTime)
	                                    clearTimeout(options.tipDelayTime);
	                                var that = this;
	                                options.tipDelayTime = setTimeout(function () {
	                                    showTip(options, that, e);
	                                }, params.delay);
	                            }
	                            else {
	                                showTip(options, this, e);
	                            }
	
	                        },
	                        'mouseout': function (e) {
	                            if (options.tipDelayTime)
	                                clearTimeout(options.tipDelayTime);
	                            options.tooltip.css({
	                                'display': 'none'
	                            });
	                        },
	                        'mousemove': function (e) {
	                            var that = this;
	                            if (options.tipDelayTime)
	                                clearTimeout(options.tipDelayTime);
	                            //showTip(options, this, e);
	                            options.tipDelayTime = setTimeout(function () {
	                                showTip(options, that, e);
	                            }, params.delay);
	                        }
	                    });
	                });
	
	            }
	
	        });
	    },
	    /**
	    * 关闭消息提示功能
	    *
	    * @param {}
	    *            jq
	    * @return {}
	    */
	    cancelCellTip: function (jq) {
	        return jq.each(function () {
	            var data = $(this).data('datagrid');
	            if (data.tooltip) {
	                data.tooltip.remove();
	                data.tooltip = null;
	                var panel = $(this).datagrid('getPanel').panel('panel');
	                panel.find('.datagrid-body').undelegate('td', 'mouseover').undelegate('td', 'mouseout').undelegate('td', 'mousemove');
	            }
	            if (data.tipDelayTime) {
	                clearTimeout(data.tipDelayTime);
	                data.tipDelayTime = null;
	            }
	        });
	    }
	});